HURON REGIONAL AP, SD

Average of Average Temperature (Degrees Fahrenheit)

(394127)

File last updated on April 24, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1881-----z-----z-----z-----z-----z-----z72.37 72.77 56.65 45.03 28.15 28.10 50.51f
188217.31 24.77 30.68 45.23 52.66 65.53 67.55 70.94 61.93 49.87 31.50b15.63 44.47
18831.13 12.05 28.34 45.77 51.52 65.10 69.89 67.94 57.53 44.35 32.02 19.00 41.22
18848.03 4.79 26.63 42.83 57.26 70.62 68.85 68.19 61.38 50.65 32.50 9.76 41.79
18853.79 8.07 31.35 47.03 56.02 66.52 72.81 65.45 60.38 44.92 30.67 24.76 42.65
18860.13 19.43 27.53 47.17 60.31 65.60 76.16 71.06 59.95 52.03 27.63 8.95 43.00
18870.00 3.64 31.89 47.83 62.18 69.75 71.97 66.32 60.85 42.94 31.42 10.06 41.57
1888-1.32 14.62 19.84 45.77 50.52 66.37 73.53 67.45 59.50 44.61 32.41b24.46d41.48
188912.58f10.79d37.17b49.58 54.77 66.32 70.90 71.50b57.25 47.38b28.84b27.21c47.43a
18902.33e13.07f25.84b49.50 53.98 69.13 73.79 67.98 60.29b46.77 34.88b23.41d46.17a
189125.28f6.54d20.31b48.55 55.98 64.10 67.15 67.77 65.96b47.46f24.93b26.67g46.81c
189211.12c18.78d28.90b42.17 48.91b63.20b69.58 70.53b62.70 51.65 28.21b15.10 42.57
18937.85g10.67d23.12f40.79b54.00 70.15 72.21 68.82 62.55 45.45b32.24e14.78d47.17b
18943.35d11.31d33.82 48.71b59.28b70.37 75.58 72.79 64.00b48.40 30.57b26.71 45.41
18954.76d12.28a33.62e54.83 57.39 64.60 71.11 70.02 63.91b45.34b30.66e22.27a44.23
189617.80d24.79 21.24 46.61b61.31 66.27 70.00 70.11 57.13 43.76 13.53 21.31 42.82
18977.35 10.32 19.37d45.48 56.89 64.72 73.24 65.85 69.47 50.56 27.87 16.05 42.26
189823.27 22.34 30.31 45.37 55.29 67.48 71.05 71.29 62.23 41.53a26.75 17.68 44.55
189916.32 6.54 15.95 44.37 56.60 66.60 72.39 72.37 58.75 48.61 40.98 17.03 43.04
190022.10 11.88 27.95 51.75 61.98 68.92 71.53 75.73 59.97 53.84 28.15 24.84 46.55
190119.89 15.73 32.31 49.07 59.65 67.62 77.97 72.58 58.60 51.50 32.17 17.35 46.20
190218.90 16.54 34.42 43.55 60.23 61.85 71.44 67.79 56.80 48.89 33.58 10.98 43.75
190313.35 7.54 30.45 46.02 58.16 63.92 70.23 68.18 57.83 51.00 29.23 14.42 42.53
19047.94 6.66 29.87 41.30 57.26 64.48 68.58 68.26 60.08 51.77 38.15 18.77 42.76
19055.81 10.20 38.08 43.87 52.77 63.93 68.56 71.89 63.88 44.19 36.15 22.26 43.47
190619.34 18.55 20.76 49.09a57.55 64.02 68.97 70.13 63.27 46.71 31.08 18.31 43.98
19074.23 18.86 35.19 37.35 48.11 64.20 69.35 69.35 56.92 46.94 33.55 24.87 42.41
190821.40 19.59 31.28a48.48a54.90 64.12 70.98 67.05 67.05 46.94 35.17 19.48 45.54
190912.18 15.89 29.76 39.15 55.82 67.17 70.48 74.73 61.07 46.92 31.72 8.87 42.81
191011.21 7.70 47.07c49.80 53.18 67.77 72.08 68.05 60.23 54.00 29.75 18.18 44.92
191111.68 15.18 37.63 44.82 61.08 73.17 70.71 67.58 60.93 45.05 23.00 20.23 44.25
19120.08 16.95 23.40 48.35 58.34 64.67 71.39 68.61 56.87 49.47 37.52 24.23 43.32
191315.26 14.30 25.55 48.67 55.16 70.63 71.06 74.37 62.22 44.13 39.57 26.65 45.63
191421.31 7.18 31.18 45.20 57.98 68.00 75.79 69.19 62.62 53.05 37.55 11.52 45.05
191513.05 22.04 20.84 54.37 52.71 61.38 65.95 65.50 59.25 51.29 36.75 22.29 43.78
19162.37 13.69 31.58 43.37 56.02 62.17 78.08 69.81 59.22 44.97 33.00 10.95 42.10
191710.32 7.55 26.98 41.85 53.52 63.23 74.00 67.52 60.65 39.27 40.23 9.71 41.24
19184.82 18.18 39.56 41.92 58.48 67.55 70.03 71.63 55.67 50.87 34.52 25.10 44.86
191925.56 16.36 29.52 44.93 56.94 68.93 74.18 70.29 63.52 41.39 23.67 14.35 44.14
192014.84 21.00 29.85 36.90 57.11 66.68 71.34 68.60 63.52 54.55 30.45 21.98 44.74
192123.90 27.41 35.03 48.07 58.18 74.05 74.79 70.66 61.67 51.15 26.98 23.16 47.92
192213.73 6.86 31.00 47.28 59.71 69.08 70.61 75.08 66.75 51.32 35.25 17.05 45.31
192321.42 14.88 26.58 44.47 57.65 68.42 75.27 68.47 64.03 47.34 39.18 28.63 46.36
19249.27 23.05 28.45 45.47 51.23 63.68 69.34 69.73 58.48 56.23 34.43 10.31 43.31
192512.47 23.84 37.06 54.12 56.66 66.63 71.94 74.69 66.20 36.76 33.23 19.39 46.08
192616.78a28.27b30.84 46.10 64.18 66.13 74.03 71.42 58.43 49.32 27.18 18.26 45.91
192718.42 24.91 34.89 45.92 53.50 65.77 69.79 67.61 63.67 52.40 27.83 4.50 44.10
192818.94 25.14 36.16 40.07 60.85 63.07 72.45 71.26 59.13 49.00 34.42 26.45 46.41
19293.00 8.12 36.32 46.40 55.68a66.63 74.95 73.00 57.07 50.18 28.70 20.19 43.35
19304.88a32.25 32.05 50.27 55.35 66.55 78.13 74.58 61.18 46.90 34.77 26.35 46.94
193127.79 32.68 31.90 48.75 55.16 74.62 77.26 72.74 68.60 52.43b34.43 23.81 50.01
193211.50 18.88 24.63 48.45 60.37 70.57 76.31 73.11 61.65 45.13 32.57 16.61 44.98
193325.47 16.88 33.79 46.13 57.45 78.33 77.03 71.03 67.38 48.29 35.22 19.00 48.00
193423.56 24.73 30.81 48.37 70.00 72.48 77.92 72.34 56.90 53.90 38.80 19.97 49.15
193513.92a30.54 36.13 42.33 53.55 65.02 80.66 72.26 63.62 46.85 27.52 19.48 45.99
19360.52 -5.36 33.50 41.73 63.82 70.42 84.48 76.24 65.98 46.82 30.52 21.98 44.22
1937-0.06 14.20 31.03 43.68 60.60 65.85 77.31 79.47 63.95 48.06 30.97 17.34 44.37
193813.71 15.91 36.79 48.12 56.34 69.23 75.97 77.34 65.72 56.63 30.43 25.39 47.63
193923.60 8.39 32.81 45.37 65.06 68.30 77.69 73.19 65.80 47.56 37.72 29.87 47.95
19404.76 18.10 27.89 44.10 58.15 68.27 78.53 71.53 68.02 55.73 27.88 24.18a45.59
194116.08 16.98 30.47 50.60 63.81 68.90 77.23 76.08 63.57 49.98 35.63 27.81 48.09
194222.63 20.46 33.98 51.05 54.37 66.08 71.69 71.45 56.40 49.24 33.52 16.32 45.60
19435.05 23.39 25.32 47.53 53.52 67.35 75.63 72.74 59.32 50.23 32.13 24.50 44.73
194424.74 15.26 24.08 42.58 62.90 66.65 71.24 70.21 60.48 50.27 33.38 21.10 45.24
194517.61 21.80 39.03 43.72 52.44 60.23 71.79 71.32 59.75 50.06 30.38 12.39 44.21
194615.52 19.86 40.68 52.33 53.71 68.03 74.34 68.60 60.03 46.29 30.83 22.71 46.08
194723.24 15.41 28.74 42.38 53.58 63.88 72.71 77.42 62.58 56.26 25.77 16.42 44.87
194811.71 13.50 27.40 51.02 57.77 65.22 74.06 72.29 66.35 48.85 33.37 19.06 45.05
19497.66 11.75 30.65 48.80 61.55 69.53 76.48 74.82 58.42 49.06 40.62 19.55 45.74
19502.69 16.18 24.13 37.85 54.02 67.60 68.73 68.31 60.90 51.60 27.50 16.19 41.31
195111.16 23.09 19.21 42.20 58.10 61.42 71.11 69.08 56.28 46.35 28.13 11.00 41.43
19529.35 22.36 22.24 48.78 57.77 71.22 74.21 71.03 65.60 45.39 33.62 23.45 45.42
195318.66 21.12 32.18 40.47 55.94 69.55 72.47 73.81 62.40 55.73 37.22 19.85 46.62
19547.76 35.59 27.45 46.52 52.35 67.63 76.53 72.74 62.13 46.79 39.27 22.19 46.41
195518.00 11.64 28.40 54.65 63.37 66.05 79.60 77.45 62.60 50.61 22.47 9.15 45.33
19569.05 9.10 26.55 39.57 58.58 75.68 71.90 70.94 59.87 53.82 32.48 25.15 44.39
19577.98 20.45 31.05 44.37 55.50 65.52 77.27 72.23 59.25 48.71 32.97 28.74 45.34
195822.95 15.59 28.90 46.07 60.82 63.50 69.58 74.58 63.58 51.65 34.85 16.42 45.71
19598.90 10.29 36.05 46.72 58.08 73.03 74.37 76.40 61.07 43.50 24.67 29.45 45.21
196012.15 11.52 14.95 45.53 57.11 64.98 75.18 73.11 61.12 48.50 32.07 15.61 42.65
19619.26 19.41 36.29 39.58 54.15 68.43 72.21 75.27 58.03 50.32 32.45 13.52 44.08
196210.92 11.96 20.69 44.98 59.55 66.35 69.90 70.58 57.68 50.71 36.88 21.29 43.46
19635.06 20.07 39.65 47.82 57.26 70.90 76.00 72.31 65.82 59.39 36.37 11.39 46.83
196420.84 26.22 25.81 49.48 60.39 69.15 78.58 69.32 61.17 49.87 29.25 10.08 45.85
19655.40 14.32 21.11 45.57 57.94 65.43 72.94 70.98 50.53 50.74 32.37 28.32 42.97
19664.45 15.00 35.92 41.27 55.53 68.65 78.29 66.85 58.83 47.42 28.62 20.84 43.47
196719.48 14.71 36.29 46.25 53.00 66.23 70.55 70.29 62.65 48.19 33.78 20.85 45.19
196815.35 19.29 38.58 45.52 52.18 67.63 71.39 70.15 59.72 48.32 33.85 16.00 44.83
19697.82 20.54 20.63 48.98 56.95 60.42 71.65 71.68 62.68 42.68 34.78 21.61 43.37
19706.42 22.43 27.34 43.58 58.06 68.20 74.77 73.63 63.23 48.08 32.97 15.08 44.48
19717.63 15.68 28.47 45.42 54.24 71.35 69.39 73.92 60.00 49.39 33.25 16.81 43.79
19729.56 12.90 31.47 44.80 59.94 66.07 69.68 70.58 60.50 44.71 31.45 15.44 43.09
197318.84 23.91 39.73 45.45 56.15 67.00 72.13 75.45 57.95 52.56 31.57 16.50 46.44
197413.08 24.38 34.23 47.87 54.11 65.98 79.15 69.00 58.43 51.44 32.98 23.06 46.14
197516.69 15.66 24.84 39.75 58.97 67.03 78.58 73.55 57.93 50.76 32.58 21.37 44.81
197614.48 28.29 31.05 48.05 54.97 69.13 74.73 75.19 61.45 42.08 25.38 16.05 45.07
19775.29 25.39 33.92 52.77 65.34 70.18 76.66 67.50 61.90 48.42 31.32 15.42 46.18
19780.27 7.04 29.29 43.98 57.44 65.83 70.71 71.19 66.07 47.44 29.05 14.52 41.90
19790.29 6.12 28.31 42.42 53.08 68.90 75.18 69.76 63.85 46.21 31.57 28.71 42.87
198016.87 18.43 29.69 49.08 60.31 68.47 73.37 70.61 61.67 46.50 36.93 22.03 46.16
198122.10 25.59 36.31 52.57 57.73 69.42 77.48 72.21 63.55 49.26 39.65 17.84 48.64
19823.50 18.91 33.21 44.43 59.58 63.57 75.32 72.69 61.13 49.02 31.38 26.29 44.92
198325.58 30.07 34.97 42.37 54.29 66.30 76.47 78.90 63.03 49.47 33.97 2.77 46.52
198418.76 31.03 29.26 47.10 55.77 67.13 73.97 74.48 56.90 49.21 35.33 18.10 46.42
198513.21 20.16 37.18 51.55 61.97 63.17 72.48 66.84 58.22 46.98 18.67 8.53 43.25
198619.26 14.61 37.23 45.28 57.16 69.08 73.58 66.97 58.88 48.76 28.37 26.84 45.50
198724.87 33.30 36.10 53.58 64.56 71.08 75.66 68.65 62.20 44.27 37.10 24.44 49.65
19888.66 14.90 34.95 46.23 63.48 75.30 76.73 73.40 61.23 45.26 33.27 22.00 46.28
198923.29 7.66 26.63 47.37 56.45 65.63 76.11 73.24 61.55 49.00 30.70 10.95 44.05
199028.23 24.14 37.35 45.35 56.73 68.62 71.34 72.73 66.43 47.40 36.25 14.40 47.41
199112.79 29.71 35.81 48.85 60.94 73.38 73.50 74.13 61.52 46.35 27.00 26.26 47.52
199226.32 29.74 37.21 44.52 59.31 65.23 65.06 65.56 59.68 47.31 30.82 17.61 45.70
199314.44 14.12 31.29 44.67 57.11 64.12 69.89 70.23 56.13 45.66 29.57 20.53 43.15
19944.26 10.48 36.10 45.97 61.45 68.58 69.05 68.15 63.57 50.92 35.72 20.05 44.52
199516.05 22.96 32.32 40.45 54.89 68.95 72.98 74.11 60.03 45.81 28.40 21.87 44.90
19968.74 21.26 25.00 43.07 54.60 68.60 69.65 71.63 60.78 47.61 22.68 9.74 41.95
19978.45 18.38 29.81 41.62 54.60 70.15 73.16 71.06 63.93 51.08 29.05 28.61 44.99
199818.19 32.14 27.48 48.87 62.10 65.20 74.77 73.85 67.37 51.16 36.12 25.61 48.57
199914.63 31.95 36.82 47.40 58.40 67.38 75.55 72.35 58.83 48.05 42.32 26.92 48.38
200019.31 30.74 40.44 46.52 60.06 66.47 73.92 73.24 63.27 52.31 23.47 7.21 46.41
200117.60 7.86 23.27 46.50 60.06 68.10 76.58 73.40 62.88 48.71 42.12 22.35 45.79
200224.00 30.27 22.31 46.47 53.87 72.00 79.55 71.44 64.38 39.74 33.23 26.53 46.98
200318.23 16.68 32.18 47.95 55.97 65.98 74.56 74.77 60.90 51.26 28.70 26.19 46.11
200414.23 21.41 38.44 48.05 57.42 63.73 71.11 66.53 64.95 49.58 37.42 25.92 46.57
200514.73 27.18 34.40 49.52 56.48 70.47 76.31 72.10 67.83 50.15 35.93 16.94 47.67
200630.97 22.95 34.44 51.22 58.45 69.40 78.31 73.02 57.38 44.79 33.32 27.19 48.45
200716.58 12.12 38.34 43.78 62.21 69.90 76.24 71.31 63.18 51.39 34.17 16.42 46.30
200814.05 17.67 30.92 43.25 54.97 65.28 73.61 72.27 62.10 47.85 33.50 13.06 44.05
200912.15 20.98 31.00 44.27 57.94 64.75 68.45 67.89 64.03 41.32 40.38 13.29 43.87
201011.26 13.20 37.10 52.57 57.26 68.43 74.58 75.44 60.22 51.58 33.38 16.39 45.95
20118.94 14.48 26.31 44.72 56.63 67.38 78.55 71.74 59.63 52.23 34.53 26.97 45.18
201223.89 25.72 48.13 51.27 61.08 72.17 80.26 70.71 62.17 45.98 33.67 19.98 49.59
201316.53 19.73 24.82 37.58 57.66 67.05 72.31 73.15 68.35 46.60 31.45 10.29 43.79
201414.63 13.34 29.19 45.00 57.92 66.92 69.82 70.16 62.57 49.44 24.45 22.89 43.86
201519.53 15.50 37.08 50.05 57.02 69.35 73.71 70.15 66.78 51.98 38.87 24.16 47.85
201616.69 29.02 40.66 47.13 59.32 71.78 73.98 72.50 63.95 52.29 41.52 16.37 48.77
201716.55 30.88 34.18 46.57 57.61 68.83 76.00 67.52 64.12 48.42 34.03 20.81 47.13
201816.27 10.54 31.35 36.90 65.05 71.75 73.08 71.71 64.32 43.81 28.03 24.24 44.75
201913.53 4.96 24.74 44.57 54.06 69.12 74.10 69.37 65.75 42.23 32.12 21.60 43.01
202017.24 19.60 36.63 44.12 56.39 72.72 74.84 72.69 61.50 42.26 38.35 25.94 46.86
202125.61 12.79 40.48 45.95 57.32 73.60 75.29 74.13 66.07 52.66 37.78 24.08 48.81
202215.61 18.29 32.66 41.90 58.10 70.88 74.92 73.08 66.12 50.00 30.53 15.19 45.61
202316.24 18.50 23.19 44.05 63.92 73.57 72.02 73.66 67.33 49.10 37.12 31.39 47.51
202415.79 32.29 35.63 47.85g-----z-----z-----z-----z-----z-----z-----z-----z27.90i
Period of Record Statistics
MEAN13.58 17.94 31.07 45.98 57.45 67.63 73.53 71.38 61.70 48.51 32.32 19.51 45.09
S.D.7.40 7.63 5.95 3.75 3.55 3.21 3.31 2.88 3.27 3.69 4.70 5.96 1.98
SKEW-0.05 0.08 -0.17 -0.04 0.38 0.39 0.20 0.15 -0.03 -0.17 -0.54 -0.35 0.19
MAX30.97 35.59 48.13 54.83 70.00 78.33 84.48 79.47 69.47 59.39 42.32 31.39 50.01
MIN-1.32 -5.36 14.95 36.90 48.11 60.23 65.06 65.45 50.53 36.76 13.53 2.77 41.22
YRS140 142 142 142 142 142 143 143 143 142 143 142 138